Ganoderma valesiacum

The larch lingzhi of the Alps, a laccate Ganoderma of the G. lucidum group described by Boudier from the Valais in 1895. It fruits on larch (and occasionally other conifers) in subalpine forest, mostly at 1,000–2,000 m, where summers are cool and winters long and freezing.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Stumps, roots and trunk bases of larch (Larix decidua) and sometimes stone pine in open subalpine conifer forest.

Recorded at 445–2,775 m (median 1,300 m).

SwitzerlandAustriaFranceItalySwedenGreat BritainJapan

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.